Now AI recognition technology is very universal, so you are talking about the cafeteria face consumption machine, the school with a face consumption machine is also a lot of, now OO after the children in the school meals, are parents to fill the meal card, direct face recognition, you can query the number of children's meals, we know that they do not not eat on time, if you brush the machine can be borrowed to the classmates to cash out so that very few children's nutrition did not keep up with, and the children can be used to pay for their own food. Now Qidian cafeteria face vending machine support free consumption mode, press the amount of consumption, the consumer face on the payment, it is very convenient

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